planbuilder

package
v0.18.3 Latest Latest
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Published: Mar 14, 2024 License: Apache-2.0 Imports: 35 Imported by: 3

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Index

Constants

View Source
const (
	// Gen4 uses the default Gen4 planner, which is the greedy planner
	Gen4 = querypb.ExecuteOptions_Gen4
	// Gen4GreedyOnly uses only the faster greedy planner
	Gen4GreedyOnly = querypb.ExecuteOptions_Gen4Greedy
	// Gen4Left2Right joins table in the order they are listed in the FROM-clause
	Gen4Left2Right = querypb.ExecuteOptions_Gen4Left2Right
)
View Source
const (
	ViewDifferentKeyspace string = "Select query does not belong to the same keyspace as the view statement"
	ViewComplex           string = "Complex select queries are not supported in create or alter view statements"
	DifferentDestinations string = "Tables or Views specified in the query do not belong to the same destination"
)

Error messages for CreateView queries

Variables

This section is empty.

Functions

func BuildFromStmt

func BuildFromStmt(ctx context.Context, query string, stmt sqlparser.Statement, reservedVars *sqlparser.ReservedVars, vschema plancontext.VSchema, bindVarNeeds *sqlparser.BindVarNeeds, enableOnlineDDL, enableDirectDDL bool) (*engine.Plan, error)

BuildFromStmt builds a plan based on the AST provided.

func GetShardRoute added in v0.15.0

func GetShardRoute(vschema plancontext.VSchema, keyspace, shard string) (*vindexes.Keyspace, error)

func TestBuilder added in v0.9.0

func TestBuilder(query string, vschema plancontext.VSchema, keyspace string) (*engine.Plan, error)

TestBuilder builds a plan for a query based on the specified vschema. This method is only used from tests

Types

type UnsupportedSupplyWeightString added in v0.10.0

type UnsupportedSupplyWeightString struct {
	Type string
}

UnsupportedSupplyWeightString represents the error where the supplying a weight string is not supported

func (UnsupportedSupplyWeightString) Error added in v0.10.0

Error function implements the error interface

Directories

Path Synopsis
Package operators contains the operators used to plan queries.
Package operators contains the operators used to plan queries.
ops

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